Home / 29,125,780.46-40,194,542.44-15,895,681.84

Finding the Fourth Proportional to 29,125,780.46, 40,194,542.44 and 15,895,681.84

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Solution

The fourth proportional to 29,125,780.46, 40,194,542.44 and 15,895,681.84 is: 21,936,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125,780.46 : 40,194,542.44 = 15,895,681.84 : x
  2. Step 2: Convert to fraction form
    29,125,780.46/40,194,542.44 = 15,895,681.84/x
  3. Step 3: Cross multiply
    29,125,780.46x = 40,194,542.44 × 15,895,681.84
  4. Step 4: Simplify right side
    29,125,780.46x = 638,919,658,219,350.38
  5. Step 5: Solve for x
    x = 638,919,658,219,350.38/29,125,780.46
  6. Step 6: Final answer
    x = 21,936,567.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.